addOnloadHook ( addgooglesearch ) ;

function addgooglesearch () {
  var sb = document.getElementById('searchform') ;

  if ( skin == "standard" ) {
    sb = document.getElementById('topbar') ;
    sb = sb.getElementsByTagName('form')[0] ;
  }

  var d = sb.getElementsByTagName('div') ;
  if ( d.length > 0 ) d = d[0] ;
  else d = sb ; // Other skins
  var googlebutton = document.createElement('input') ;
  googlebutton.id = 'googlesearchbutton' ;
  googlebutton.className = 'searchButton' ;
  googlebutton.type = 'button' ;
  googlebutton.onclick = rungooglesearch ;
  googlebutton.value = 'Google search' ;
  googlebutton.name = 'googlesearch' ;
  d.appendChild ( googlebutton ) ;
}

function rungooglesearch () {
  var s ;
  if ( skin == "standard" ) {
    s = document.getElementById('topbar') ;
    s = s.getElementsByTagName('form')[0] ;
    s = s.getElementsByTagName('input')[0] ;
    s = s.value ;
  } else s = document.getElementById('searchInput').value ;
  s += " site:" + mw.config.get('wgServer') ;
  s = encodeURIComponent ( s ) ;
  s = "http://www.google.co.uk/search?ie=utf-8&oe=utf-8&q=" + s ;
  location.href = s ;
}